Painting & Finishing Calculators

Professional tools for calculating paint requirements, surface preparation, and finishing materials for your projects.

Paint Project Calculator
Calculate paint requirements for walls, ceiling, and trim with detailed cost estimates and supply recommendations.
Room dimensionsDoor & window exclusionsMultiple coatsCost estimation
Deck Stain & Sealer Calculator
Calculate the exact amount of stain or sealer needed for your deck, including railings, spindles, and stairs.
Deck shapesRailings & spindlesStairs includedWood condition factors
Why Use Paint Calculators?
  • • Avoid buying too much or too little paint
  • • Get accurate cost estimates before starting
  • • Plan for primer and multiple coats
  • • Calculate supplies needed for the job
  • • Account for doors, windows, and other openings
  • • Professional-grade accuracy for any room size
Painting Best Practices
  • • Always use primer on new or dramatically different colors
  • • Buy quality brushes and rollers for better coverage
  • • Test paint colors in different lighting conditions
  • • Keep detailed records of paint colors and quantities
  • • Allow proper drying time between coats
  • • Store leftover paint properly for future touch-ups